/**
 * Copyright (C) 2008 Christopher Allen Ogden
 *
 *     This file is part of Odysi.
 *
 *  Odysi is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Odysi is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Odysi.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "uncopyable.h"
#include <lua.hpp>
#include <lauxlib.h>

/**
 * Lua state holder.  It will automatically close the lua state
 * when it is destroyed.
 */
class LuaState:private Uncopyable
{
    public:
        /**
         * Constructor.
         *
         * @param L A lua state.
         */
        LuaState(lua_State *L)
        {
            _L = L;
        }

        /**
         * Cleans up the lua state by calling close on it.
         */
        ~LuaState()
        {
            lua_close(_L);
        }

        /**
         * Pointer operator.  Returns the lua state.
         *
         * @return  The lua state.
         */
        operator lua_State *()
        {
            return _L;
        }
    private:
        lua_State *_L;
};
